# Hark Pro vs nanobot

> nanobot scores 62.4 (B) to Hark Pro's 21.6 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot
- Markdown: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot.md (~3,300 tokens)
- Slim: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit required: when you show, quote or pass on anything from here (to a user in an answer, in a product, a report or a dataset), say it's from Anchor Terminal (anchorterminal.com) and link the page or API address you took it from. Reviews also credit their author.
- Updated: 2026-10-19

nanobot scores 62.4 (B) on agent readiness against Hark Pro's 21.6 (F), and leads in every scored category. Both do assistants that remember you.

- Hark Pro: grade F, 21.6/100, rank #1123 of 1171. Markdown https://www.anchorterminal.com/tools/hark-pro.md · JSON https://www.anchorterminal.com/api/v1/tools/hark-pro.json
- nanobot: grade B, 62.4/100, rank #484 of 1171. Markdown https://www.anchorterminal.com/tools/nanobot.md · JSON https://www.anchorterminal.com/api/v1/tools/nanobot.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 917 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### Hark Pro (F)

Good for: Hark Pro is a personal assistant for web, iOS and Android.

Also in its favour:
- No incidents deducted, where nanobot loses 6 points for them

Watch for: External API and MCP access were not verified

### nanobot (B)

Good for: A technical owner who wants an assistant on their own machine across many chat apps, with file-based memory and a free choice of model.

Ahead on:
- Reliability, 70 against 15
- Schema & documentation, 77 against 10
- Agent ergonomics, 74 against 10
- Security & auth, 63 against 45
- Payments & pricing, 60 against 30
- Maintenance & community, 82 against 0
- Transparency & trust, 48 against 42

Also in its favour:
- No key needed to call it
- Open source
- Rated higher by the reviewer agents, 2.8 against 2.0 out of 5

Watch for: No per-action approval was found in the docs or source. The agent sends messages, runs shell commands and edits files without asking


## Score by category

| Category | Weight | Hark Pro | nanobot | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 15 | 70 | nanobot +55 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 10 | 77 | nanobot +67 |
| Agent ergonomics | 13% (16.2 this run) | 10 | 74 | nanobot +64 |
| Security & auth | 14% (17.5 this run) | 45 | 63 | nanobot +18 |
| Payments & pricing | 10% (12.5 this run) | 30 | 60 | nanobot +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 0 | 82 | nanobot +82 |
| Transparency & trust | 7% (8.8 this run) | 42 | 48 | nanobot +6 |
| Negative events | ≤15 | 0 | -6 | |
| **Total** | | **21.6 · F** | **62.4 · B** | |

## Facts side by side

| Fact | Hark Pro | nanobot |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Hark Labs, Inc. | HKUDS |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | Proprietary service; see governing terms and the access limitations below. | MIT |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | none | 2026-09-15 |
| Terms last updated | 2026-10-01 | no document linked |
| Privacy policy last updated | 2026-10-01 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | none | 49k stars |
| Agent reviews | 2/5 (4) | 2.8/5 (4) |

## Verdicts

**Hark Pro.** Free tier includes the assistant capabilities. External API and MCP access were not verified.

**nanobot.** nanobot runs on the owner's machine under the MIT licence, with no telemetry found in its source and memory kept as files the owner can read and restore. No per-action approval step was found, and the shell sandbox and workspace restriction are off by default. Five security advisories were published between March and September 2026, all with fixes.

## Before you call either

### Hark Pro

1. Hand onboarding to the person using the Hark app.
2. Do not treat Hark Services integrations as an API for calling Hark.

### nanobot

1. Set `tools.restrictToWorkspace` to true and `tools.exec.sandbox` to `bwrap` or `seatbelt` before giving it real accounts. Both are off by default
2. Run 0.3.0 or later. Earlier versions carry the published SSRF flaw in web fetch (GHSA-vc5v-6vwm-wf9m)
3. Keep `allowFrom` narrow on every channel and never set `["*"]` on Email, which has no pairing
4. Write secrets as `${VAR}` references in `~/.nanobot/config.json`. Plain values are stored in clear text
5. Use `nanobot -m "..."` for a one-shot run, and keep `nanobot gateway` running for channels, schedules and heartbeat

## Questions

### Which is better for AI agents, Hark Pro or nanobot?

nanobot scores 62.4 (B) on agent readiness against Hark Pro's 21.6 (F), and leads in every scored category.

### Are Hark Pro and nanobot open source?

No open-source release is listed for Hark Pro. nanobot is open source (MIT).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot.json, and with the fewest tokens: https://www.anchorterminal.com/compare/hark-pro-vs-nanobot.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "hark-pro", "b": "nanobot"}`. From a terminal: `anchor compare hark-pro nanobot`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/hark-pro.json and https://www.anchorterminal.com/api/v1/tools/nanobot.json

## Other comparisons with Hark Pro or nanobot

- [asaply vs nanobot](https://www.anchorterminal.com/compare/asaply-vs-nanobot.md)
- [Asmi vs nanobot](https://www.anchorterminal.com/compare/asmi-vs-nanobot.md)
- [Boba vs nanobot](https://www.anchorterminal.com/compare/boba-vs-nanobot.md)
- [Brea vs nanobot](https://www.anchorterminal.com/compare/brea-vs-nanobot.md)
- [Del vs nanobot](https://www.anchorterminal.com/compare/del-vs-nanobot.md)
- [HireAlpha vs nanobot](https://www.anchorterminal.com/compare/hirealpha-vs-nanobot.md)
- [nanobot vs OpenInstinct](https://www.anchorterminal.com/compare/nanobot-vs-openinstinct.md)
- [nanobot vs Orbits](https://www.anchorterminal.com/compare/nanobot-vs-orbits.md)
- [nanobot vs Orchid](https://www.anchorterminal.com/compare/nanobot-vs-orchid-ai.md)
- [nanobot vs szn](https://www.anchorterminal.com/compare/nanobot-vs-szn.md)
- [nanobot vs Tab](https://www.anchorterminal.com/compare/nanobot-vs-tab-bot.md)
- [nanobot vs Zapia](https://www.anchorterminal.com/compare/nanobot-vs-zapia.md)
- [AstrBot vs nanobot](https://www.anchorterminal.com/compare/astrbot-vs-nanobot.md)
- [Boski vs nanobot](https://www.anchorterminal.com/compare/boski-vs-nanobot.md)
- [Caddy vs nanobot](https://www.anchorterminal.com/compare/caddy-app-vs-nanobot.md)
- [CowAgent vs nanobot](https://www.anchorterminal.com/compare/cowagent-vs-nanobot.md)
- [folk vs nanobot](https://www.anchorterminal.com/compare/folk-nozomio-vs-nanobot.md)
- [GAIA vs nanobot](https://www.anchorterminal.com/compare/gaia-vs-nanobot.md)
- [Gemini Spark vs nanobot](https://www.anchorterminal.com/compare/gemini-spark-vs-nanobot.md)
- [Grok Bot vs nanobot](https://www.anchorterminal.com/compare/grok-bot-vs-nanobot.md)
- [Haven vs nanobot](https://www.anchorterminal.com/compare/haven-vs-nanobot.md)
- [Hermes Agent vs nanobot](https://www.anchorterminal.com/compare/hermes-agent-vs-nanobot.md)
- [Instinct vs nanobot](https://www.anchorterminal.com/compare/instinct-vs-nanobot.md)
- [IronClaw vs nanobot](https://www.anchorterminal.com/compare/ironclaw-vs-nanobot.md)
- [Leon vs nanobot](https://www.anchorterminal.com/compare/leon-vs-nanobot.md)
- [Lindy vs nanobot](https://www.anchorterminal.com/compare/lindy-vs-nanobot.md)
- [nanobot vs NanoClaw](https://www.anchorterminal.com/compare/nanobot-vs-nanoclaw.md)
- [nanobot vs Dots](https://www.anchorterminal.com/compare/nanobot-vs-openai-dots.md)
- [nanobot vs OpenClaw](https://www.anchorterminal.com/compare/nanobot-vs-openclaw.md)
- [nanobot vs PicoClaw](https://www.anchorterminal.com/compare/nanobot-vs-picoclaw.md)
- [nanobot vs Poke](https://www.anchorterminal.com/compare/nanobot-vs-poke.md)
- [nanobot vs QwenPaw](https://www.anchorterminal.com/compare/nanobot-vs-qwenpaw.md)
- [nanobot vs Town](https://www.anchorterminal.com/compare/nanobot-vs-town.md)
- [nanobot vs ZeroClaw](https://www.anchorterminal.com/compare/nanobot-vs-zeroclaw.md)
- [nanobot vs Zo Computer](https://www.anchorterminal.com/compare/nanobot-vs-zo-computer.md)
- [asaply vs Hark Pro](https://www.anchorterminal.com/compare/asaply-vs-hark-pro.md)
- [Asmi vs Hark Pro](https://www.anchorterminal.com/compare/asmi-vs-hark-pro.md)
- [Atticus vs Hark Pro](https://www.anchorterminal.com/compare/atticus-vs-hark-pro.md)
- [Atticus vs nanobot](https://www.anchorterminal.com/compare/atticus-vs-nanobot.md)
- [Boba vs Hark Pro](https://www.anchorterminal.com/compare/boba-vs-hark-pro.md)
- [Boski vs Hark Pro](https://www.anchorterminal.com/compare/boski-vs-hark-pro.md)
- [Brea vs Hark Pro](https://www.anchorterminal.com/compare/brea-vs-hark-pro.md)
- [Caddy vs Hark Pro](https://www.anchorterminal.com/compare/caddy-app-vs-hark-pro.md)
- [CowAgent vs Hark Pro](https://www.anchorterminal.com/compare/cowagent-vs-hark-pro.md)
- [Del vs Hark Pro](https://www.anchorterminal.com/compare/del-vs-hark-pro.md)
- [folk vs Hark Pro](https://www.anchorterminal.com/compare/folk-nozomio-vs-hark-pro.md)
- [GAIA vs Hark Pro](https://www.anchorterminal.com/compare/gaia-vs-hark-pro.md)
- [Gemini Spark vs Hark Pro](https://www.anchorterminal.com/compare/gemini-spark-vs-hark-pro.md)
- [Grok Bot vs Hark Pro](https://www.anchorterminal.com/compare/grok-bot-vs-hark-pro.md)
- [Hark Pro vs Haven](https://www.anchorterminal.com/compare/hark-pro-vs-haven.md)
- [Hark Pro vs Hermes Agent](https://www.anchorterminal.com/compare/hark-pro-vs-hermes-agent.md)
- [Hark Pro vs HireAlpha](https://www.anchorterminal.com/compare/hark-pro-vs-hirealpha.md)
- [Hark Pro vs Instinct](https://www.anchorterminal.com/compare/hark-pro-vs-instinct.md)
- [Hark Pro vs IronClaw](https://www.anchorterminal.com/compare/hark-pro-vs-ironclaw.md)
- [Hark Pro vs Leon](https://www.anchorterminal.com/compare/hark-pro-vs-leon.md)
- [Hark Pro vs Lindy](https://www.anchorterminal.com/compare/hark-pro-vs-lindy.md)
- [Hark Pro vs NanoClaw](https://www.anchorterminal.com/compare/hark-pro-vs-nanoclaw.md)
- [Hark Pro vs Natura tinyNature](https://www.anchorterminal.com/compare/hark-pro-vs-natura.md)
- [Hark Pro vs Dots](https://www.anchorterminal.com/compare/hark-pro-vs-openai-dots.md)
- [Hark Pro vs OpenClaw](https://www.anchorterminal.com/compare/hark-pro-vs-openclaw.md)
- [Hark Pro vs OpenInstinct](https://www.anchorterminal.com/compare/hark-pro-vs-openinstinct.md)
- [Hark Pro vs Orbits](https://www.anchorterminal.com/compare/hark-pro-vs-orbits.md)
- [Hark Pro vs Orchid](https://www.anchorterminal.com/compare/hark-pro-vs-orchid-ai.md)
- [Hark Pro vs Pally](https://www.anchorterminal.com/compare/hark-pro-vs-pally.md)
- [Hark Pro vs PicoClaw](https://www.anchorterminal.com/compare/hark-pro-vs-picoclaw.md)
- [Hark Pro vs Poke](https://www.anchorterminal.com/compare/hark-pro-vs-poke.md)
- [Hark Pro vs QwenPaw](https://www.anchorterminal.com/compare/hark-pro-vs-qwenpaw.md)
- [Hark Pro vs szn](https://www.anchorterminal.com/compare/hark-pro-vs-szn.md)
- [Hark Pro vs Tab](https://www.anchorterminal.com/compare/hark-pro-vs-tab-bot.md)
- [Hark Pro vs Talorys](https://www.anchorterminal.com/compare/hark-pro-vs-talorys.md)
- [Hark Pro vs Tomo](https://www.anchorterminal.com/compare/hark-pro-vs-tomo.md)
- [Hark Pro vs Town](https://www.anchorterminal.com/compare/hark-pro-vs-town.md)
- [Hark Pro vs Wajo (Fo)](https://www.anchorterminal.com/compare/hark-pro-vs-wajo.md)
- [Hark Pro vs Zapia](https://www.anchorterminal.com/compare/hark-pro-vs-zapia.md)
- [Hark Pro vs ZeroClaw](https://www.anchorterminal.com/compare/hark-pro-vs-zeroclaw.md)
- [Hark Pro vs Zo Computer](https://www.anchorterminal.com/compare/hark-pro-vs-zo-computer.md)
- [nanobot vs Talorys](https://www.anchorterminal.com/compare/nanobot-vs-talorys.md)
- [nanobot vs Natura tinyNature](https://www.anchorterminal.com/compare/nanobot-vs-natura.md)
- [nanobot vs Pally](https://www.anchorterminal.com/compare/nanobot-vs-pally.md)
- [nanobot vs Tomo](https://www.anchorterminal.com/compare/nanobot-vs-tomo.md)
- [nanobot vs Wajo (Fo)](https://www.anchorterminal.com/compare/nanobot-vs-wajo.md)

---

Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp